<!DOCTYPE html>
<html>
<head>
    <title>用户登录</title>
</head>
<body>
<h3>用户登录</h3>
<form action="/login" method="post">
    用户名:<input type="text" name="username">
    密码:<input type="password" name="password">
    <input type="submit" value="登陆">
</form>

<p>没有账号？点击<a href="/registere">注册</a></p>
<b><i>{{.Tip}}</i></b>
</body>
</html>